thumb|Map of the four provinces and one area in Sierra Leone
Sierra Leone is divided into four provinces (until 2017, three) and one Western Area; these are further divided into 16 districts (previously 14), and the districts are further divided into 190 (previously 149) chiefdoms.
Provinces and areas
{| class="wikitable sortable"
|+
!Province/Area name
!Capital
!Area
!Population (2015 census)
!Population Density
|-
|Eastern Province
|Kenema
|
|1,641,012
|110/km<sup>2</sup> (270/sq mi)
|-
|Northern Province
|Makeni
|
|2,502,865
|70/km<sup>2</sup> (180/sq mi)
|-
|Southern Province
|Bo
|
|1,438,572
|73/km<sup>2</sup> (190/sq mi)
|-
|North West Province
|Port Loko
|
|1,162,065
|70/km<sup>2</sup> (180/sq mi)
|-
|Western Area
|Freetown
|
|1,493,252
|2,700/km<sup>2</sup> (6,900/sq mi)
|}
See also
- ISO 3166-2:SL
- Administrative divisions of Sierra Leone